*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
ul{
    list-style:none;
}
a{
    color:#000;
    text-decoration:none;
}
.clearfix::after{
    clear:both;
    height:0;
    content:'';
    overflow:hidden;
}
.fl{
    float:left;
}
.fr{
    float:right;
}
img{
    border:none;
    vertical-align:middle;
}
body{
    font-family:'Microsoft YaHei UI';
    background: #ebebeb;
    overflow-x: hidden;
}
.clear{
    clear: both;
}
html,body{
    height: 100%;
}